package chapter03.Example02;

    class Student2{
        String name;
        int age;
        void read(){
            System.out.println("大家好,我是"+name+",年龄"+age);
        }
    }
    class Example02 {
        public static void main(String[] args) {
            Student2 stu1 =new Student2();
            Student2 stu2 =null;
            stu2 =stu1;
            stu1.name = "阿祥";
            stu1.age =20;
            stu2.age =50;
            stu1.read ();
            stu2.read ();
        }
    }
